SelecTree: Tree Detail
Photo Locations: UC Davis - Davis, CA
Very drought tolerant red oak species. This tree produces graceful branches with slender, glossy leaves.
Native to Texas, Mexico.
Additional Common Names
SLENDER OAK, GRACEFUL OAK, SIERRA OAK
Erect or Spreading and requires ample growing space.
Rounded or Umbrella Shape.
Has Evergreen to Partly Deciduous foliage.
Height: 40 - 50 feet.
Width: 30 - 50 feet.
Growth Rate: 24 Inches per Year.
Longevity Greater than 150 years.
Leaves Lanceolate to Elliptic and Hollylike, Glossy Dark Green, No Change, Evergreen to Partly Deciduous.
Flowers Inconspicuous. Flowers in Spring or Winter. Has separate male and female flowers on the same tree (monoecious).
Brown, Yellow Acorn, Small (0.25 - 0.50 inches), fruiting in Winter or Summer.
Bark Brown, Green, Dark Drey, Fissured.
Shading Capacity Rated as Dense in Leaf.
Shading Capacity Rated as out of Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 6 - 12 and 14 - 24.
USDA Hardiness Zones 7 - 9.
Exposure Full Sun.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Salinity Tolerance is Good to Moderate on Coast.
Seaside Tolerance is Good in Moderate Zone.
Pests & Disease Information
Resistant to Verticillium. Susceptible to Scales and Spider Mites, Armillaria, Anthracnose and Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Strong.
Root Damage Potential Rated as Low.
Biogenic Emissions considered High.
Desirable Wildlife Plant.
Attracts Birds and Squirrels.
Special Uses & Values
Park Tree, Street Tree, Shade Tree.
Cite this tree:
SelecTree. "Quercus canbyi Tree Record." 1995-2020. Feb 27, 2020.
< https://selectree.calpoly.edu/tree-detail/quercus-canbyi >